Michael G Sawyer1, Christy E Reece2, Alyssa C P Sawyer2, Sarah E Johnson3, David Lawrence4. 1. School of Medicine, University of Adelaide, and the Women's and Children's Health Network, North Adelaide, Australia. Electronic address: michael.sawyer@adelaide.edu.au. 2. School of Medicine, University of Adelaide, and the Women's and Children's Health Network, North Adelaide, Australia. 3. Telethon Kids Institute, The University of Western Australia, West Perth. 4. Graduate School of Education, The University of Western Australia, Perth.
Abstract
OBJECTIVE: This study examined whether the 12-month prevalence of major depressive disorder (MDD), attention-deficit/hyperactivity disorder (ADHD), and conduct disorder (CD) among 6- to 17-year-olds in Australia changed between 1998 and 2013 to 2014. It also investigated whether changes in the prevalence of disorders over this time varied for children living in families containing 2 parents versus single parents, and families with high versus low income. METHOD: The study used data from national surveys conducted in Australia in 1998 (N = 3,597) and 2013 to 2014 (N = 5,359). In both surveys, the participating individuals were randomly selected from all 6- to 17-year-olds in Australia, and mental disorders were assessed using the Diagnostic Interview Schedule for Children Version IV (DISC-IV), completed by parents. RESULTS: There was little change in the overall prevalence of mental disorders between 1998 (12.5%, 95% CI = 11.4-13.7) and 2013 to 2014 (11.1%, 95% CI = 10.1-12.2). Although there were some differences in the changes for children with different disorders, most were small in magnitude. Specifically, MDD prevalence increased from 2.1% (95% CI = 1.7-2.7) to 3.2% (95% CI = 2.7-3.8), ADHD prevalence declined from 9.9% (95% CI = 8.9-10.9) to 7.8% (95% CI = 6.9-8.7), and CD prevalence declined from 2.7% (95% CI = 2.2-3.3) to 2.1% (95% CI = 1.7-2.7). There was a persisting pattern of higher prevalence among children living in single-parent and low-income households. CONCLUSION: Lack of change at a population level in the prevalence of child mental disorders suggests that new innovations in research, policy, and practice are needed to successfully address the major public health problem posed by child and adolescent mental disorders in the community.
OBJECTIVE: This study examined whether the 12-month prevalence of major depressive disorder (MDD), attention-deficit/hyperactivity disorder (ADHD), and conduct disorder (CD) among 6- to 17-year-olds in Australia changed between 1998 and 2013 to 2014. It also investigated whether changes in the prevalence of disorders over this time varied for children living in families containing 2 parents versus single parents, and families with high versus low income. METHOD: The study used data from national surveys conducted in Australia in 1998 (N = 3,597) and 2013 to 2014 (N = 5,359). In both surveys, the participating individuals were randomly selected from all 6- to 17-year-olds in Australia, and mental disorders were assessed using the Diagnostic Interview Schedule for Children Version IV (DISC-IV), completed by parents. RESULTS: There was little change in the overall prevalence of mental disorders between 1998 (12.5%, 95% CI = 11.4-13.7) and 2013 to 2014 (11.1%, 95% CI = 10.1-12.2). Although there were some differences in the changes for children with different disorders, most were small in magnitude. Specifically, MDD prevalence increased from 2.1% (95% CI = 1.7-2.7) to 3.2% (95% CI = 2.7-3.8), ADHD prevalence declined from 9.9% (95% CI = 8.9-10.9) to 7.8% (95% CI = 6.9-8.7), and CD prevalence declined from 2.7% (95% CI = 2.2-3.3) to 2.1% (95% CI = 1.7-2.7). There was a persisting pattern of higher prevalence among children living in single-parent and low-income households. CONCLUSION: Lack of change at a population level in the prevalence of childmental disorders suggests that new innovations in research, policy, and practice are needed to successfully address the major public health problem posed by child and adolescent mental disorders in the community.
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